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 DEFINITION
It is a prosthesis it completes characterized for covering fibromucosa and roots, teeth or implants prepared for the effect. Different retention systems exist on the roots (generally endodonciadas) like metallic cauls, retentive devices, telescopic crowns, bar, magnetos, etc.
SYMPTOMS
The sobredentadura will be indicated: when the remaining teeth cannot support a conventional fixed or removable restoration, when an extreme desdentación exists with one or two remaining teeth in the good state, in special cases of oligodoncia, microdoncia, amelogénesis imperfect, etc.
SKILL
A history, exploration and diagnosis, and a few asepsis measurements are essential norms for the achievement of a sobredentadura on implants. After the laying of the implants osteointegrados and his preparation realizes the capture of impressions with the suitable material. In the laboratory the prosthesis is realized and there join the necessary elements of retention, which later are proved in mouth, fit and end. In general it is necessary to realize several adjustments after the laying.
COMPLICATIONS
The sobredentadura can break in his basic structure therefore it is necessary to be careful in his manipulation and cleanliness, and must move back in the night. The implants and retentive additions must be controlled periodically. The carrying patient of a sobredentadura on implants must have a pursuit in the dental consultation with periodic reviews.
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DEFINITION 
